Al-Jazira made the most of Al-Ain's defeat with a 4-1 rout of Al-Dhafra.
Fernandinho opened the scoring in the 33rd minute, and
Al-Ittihad Kalba enjoyed its third win of the season as Mohammed Malullah's 86th-minute strike saw off Al-Nasr 2-1.
Ji Parana put Al-Ittihad Kalba in front two minutes before half-time, but Mullalah's late goal was needed after Giuseppe Mascara had levelled seven minutes into the second half.
Goals in either half from